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post #1 of 8 (permalink) Old 07-15-2019, 04:29 PM - Thread Starter
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Have processors gotten much faster

If you look at the single processor speed , they have not gotten much faster. Of course now you have 12 or 16 engines working. But if you are not a multi threaded workload not much difference.
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post #2 of 8 (permalink) Old 07-15-2019, 05:14 PM
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What are you talking about man?
In comparison to what??
A processor designed in 1999 (single core) will be much much much slower than a processor designed in 2019 (single core).
If you're talking 12nm to 12nm+ (revision of first design) then you may be on to something..... but nothing really...


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post #3 of 8 (permalink) Old 07-15-2019, 05:32 PM
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hopefully he means in the last few years, lol. Super Pi is single threaded and the CPU I put in my first build barely finished 1M in under a minute. My 9900K finishes it in 6 seconds.

the last time Intel made notable IPC gains was from Lynnfield to Sandy Bridge and ever since it's just mostly been new instruction sets and clock speed gains. AMD has made a ton of headroom since the 8120, even from the 1st gen Ryzen there's been significant boosts in IPC.

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post #4 of 8 (permalink) Old 07-15-2019, 06:42 PM
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Compared to the ibm650?

In short, yes.

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post #5 of 8 (permalink) Old 07-15-2019, 08:24 PM
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Quote: Originally Posted by The Pook View Post
hopefully he means in the last few years, lol. Super Pi is single threaded and the CPU I put in my first build barely finished 1M in under a minute. My 9900K finishes it in 6 seconds.

the last time Intel made notable IPC gains was from Lynnfield to Sandy Bridge and ever since it's just mostly been new instruction sets and clock speed gains. AMD has made a ton of headroom since the 8120, even from the 1st gen Ryzen there's been significant boosts in IPC.
We don't even know for sure if he's talking about X86 processors.
Maybe ARM? No major leaps in perofrmance?
Perhaps Graphics PROCESSING Units?

I think on the long term of things generally in categories like this. Being ripe with socket A processors and using systems even before that time, a Computer Cabinet in my garage that's over 6 feet tall that used to be a computer from the 60s or 70s.....

Processors have come a long way in a short amount of time. In fact the age of technology is the fastest moving age that humans have ever evolved into/through.
Have the humans gotten any smarter from faster cores? Indeed, my kindergartner (when he was that age) did most of his school work on a tablet and google is really way much faster than card catalogs find out any information you want in less that a second. I had ZERO cores to work with as a young lad lol. (minus calculators and digital hand held after we went through the 70s/80s there...lol)
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post #6 of 8 (permalink) Old 07-15-2019, 08:48 PM
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Intel x86-64 2014 to 2019? Not really.
AMD x86-64 2014 to 2019? Yes.
The rest did improve as well, ARM and all that.
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post #7 of 8 (permalink) Old 07-16-2019, 03:09 PM
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You're just in time! Intel is releasing their mobile Ice Lake-U chips that have an 18% IPC improvement over Skylake single threaded performance. GeekBench results from laptop manufacturers are appearing that indicate that performance is an 18% improvement.

https://browser.geekbench.com/v4/cpu/13476245

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post #8 of 8 (permalink) Old 07-17-2019, 07:44 AM
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Quote: Originally Posted by ibm650 View Post
If you look at the single processor speed , they have not gotten much faster. Of course now you have 12 or 16 engines working. But if you are not a multi threaded workload not much difference.

In terms of single core capability to improve, yea its just not going to happen like it did in the past. Most the improvements now have been due to die shrinks. Electrons will only move so fast through copper. Now that we are at 7nm there is not much room for improvement because transistors have to have some width to function and anything less than a than that width will cause electrons to pass through due to quantum physics probabilities.

Clocks can go higher, but it takes so much power that cooling is a huge problem. So individual cores are pretty much stuck with minor architecture improvements. X86/64 has a required instruction set that is well...bloated. So, CPUs have to accommodate those with more circuits. ARM reduced the instruction set, so the cores are smaller and need less power because of refinement. This is why Moores law was modified for multicore and is now basically dead.

The short version is: yes, single cores aren't really improving any more because they simply cant. Physics wont allow them to. Multicore is the only improvement that can really be made. But, that has its limits too (read about Amdahls law).
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